Lakeridge Elementary School
Mercer Island, WA · Elementary School
Lakeridge Elementary School is a elementary school in Mercer Island, WA with 397 students enrolled and a 72% proficiency rate. Part of Mercer Island School District. NCES data from the U.S. Department of Education.
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About This School
Lakeridge Elementary School is a elementary school located in Mercer Island, Washington. The school serves 397 students. The student-to-teacher ratio is 18.9:1.
According to EDFacts assessment data, 72% of students meet grade-level proficiency standards in combined math and reading.
3% of students qualify for free or reduced-price lunch.
Lakeridge Elementary School is part of the Mercer Island School District in Washington.
How This School Compares
Lakeridge Elementary School has 397 students enrolled, making it smaller than the average school in Mercer Island School District (676 students). Its 72% proficiency rate is 3 percentage points above the district average of 69%. Compared to the Washington state average of 49%, the school performs 23 points higher.
Frequently Asked Questions
Lakeridge Elementary School has 397 students enrolled. The student-to-teacher ratio is 18.9:1.
According to EDFacts data, 72% of students at Lakeridge Elementary School meet grade-level proficiency standards in combined math and reading assessments.
Lakeridge Elementary School is part of the Mercer Island School District in Mercer Island, Washington. You can view all schools in this district on the district page.
All data on this page comes from the National Center for Education Statistics (NCES) Common Core of Data and EDFacts assessment results. These are official federal datasets published by the U.S. Department of Education.
School profiles are built from NCES directory data and EDFacts assessment results. Proficiency rates reflect combined math and reading performance. Graduation rates are reported for high schools with available data.
For this entity, the underlying data on this page comes from NCES Common Core of Data and EDFacts. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
Every number on this page links back to NCES Common Core of Data and EDFacts; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. public schools and districts. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: NCES Common Core of Data, 2026.